Hair brush



FIG. 1 is a front and left perspective view of a hairbrush in accordance with my new design;

FIG. 2 is rear and right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top and front perspective view thereof;

FIG. 6 is a bottom and front perspective view thereof; and,

FIG. 7 is a right side view thereof, the left side view being a mirror image. 

CLAIM The ornamental design for a hair brush, as shown and described. 